Set of bristles for a toothbrush



FIG. 1 is a top, front and right side perspective view of a set of bristles for a toothbrush showing my new design (unclaimed environmental structure being shown in broken lines);

FIG. 2 is a top plan view thereof (unclaimed environmental structure being shown in broken lines);

FIG. 3 is a front elevational view thereof (unclaimed environmental structure being shown in broken lines);

FIG. 4 is a right side elevational view thereof where the left side view is a mirror image (unclaimed environmental structure being shown in broken lines);

FIG. 5 is a rear elevational view thereof (unclaimed environmental structure being shown by broken lines); and,

FIG. 6 is a top, rear and left side perspective view of the set of bristles for a toothbrush of FIG. 1. (Unclaimed environmental structure being shown in broken lines). 

The ornamental design for a set of bristles for a toothbrush, as shown and described. 